The Characteristics of Riparian Buffer Studies

Shearer, Kristen

doi:10.3808/jei.200700086

Cited by 10 publications

(6 citation statements)

References 169 publications

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“…Another best management practice recommended to decrease sediment losses is the establishment of edge-of-field buffer strips and the use of riparian buffer strips along lake or stream banks (Lovell and Sullivan, 2006). Riparian buffers are vegetated areas along the edge of water bodies designed to help decrease runoff and nutrient and soil losses into waterways (Shearer and Xiang, 2007). Riparian buffers have been widely implemented because they are considered key zones to interrupt the flow path from agricultural land to surface waters (Stutter et al, 2012).…”

Section: Long-term Effects Of Grazing Management and Buffermentioning

confidence: 99%

“…Riparian buffers have been widely implemented because they are considered key zones to interrupt the flow path from agricultural land to surface waters (Stutter et al, 2012). The vegetative cover can be herbaceous and/or forest, and some studies have shown that a grass–forest combination can be very effective for trapping sediment (Lowrance and Sheridan, 2005; Schultz et al, 2013). A review of riparian buffer studies has indicated that grass buffers and forest buffers separately have approximately equal sediment trapping efficiency (Yuan et al, 2009), but forest buffers have been found to be the most effective for bank stabilization (Kronvang et al, 2012).…”

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confidence: 99%

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Long‐term Effects of Grazing Management and Buffer Strips on Soil Erosion from Pastures

et al. 2017

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High grazing pressure can lead to soil erosion in pastures, causing increased sediment delivery to waterways. The objectives of this research were to evaluate the impact of grazing management and buffer strips on soil erosion by assessing soil physical properties, hydrology, and sediment loads from pastures fertilized with broiler litter. Field studies were conducted for 12 yr on 15 small watersheds. Five management strategies were evaluated: hayed (H), continuously grazed (CG), rotationally grazed (R), rotationally grazed with a buffer strip (RB), and rotationally grazed with a fenced riparian buffer (RBR). Broiler litter was applied every year at a rate of 5.6 Mg ha. Bulk density and penetration resistance were highest for CG watersheds. Runoff volumes, sediment concentrations, and loads were lowest for the H and RBR treatments and highest for CG. Average runoff amounts were 48, 84, 77, 60, and 81 mm yr for the H, R, RB, RBR, and CG treatments, respectively. Annual average sediment loads were 25, 30, 58, 71, and 110 kg ha for H, RBR, R, RB, and CG, respectively. The Revised Universal Soil Loss Equation, Version 2 was reasonably effective at predicting soil loss for the R, RB, and RBR treatments, but it greatly overpredicted soil loss from the CG and H treatments. Converting a pasture to a hay field or using rotational grazing in conjunction with a fenced riparian buffer appear to be effective options for reducing soil erosion and runoff to waterways from pasture soils.

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Section: Long-term Effects Of Grazing Management and Buffermentioning

confidence: 99%

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confidence: 99%

Long‐term Effects of Grazing Management and Buffer Strips on Soil Erosion from Pastures

et al. 2017

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“…Comparing the results obtained in this study is challenging as most studies within riparian areas try to identify the most cost-effective buffer width depending on the pollutant load in agricultural systems or constructed wetlands. This is motivated by the fact that land managers do not want to sacrifice more productive land than they have to (Wenger, 1999;Shearer and Xiang, 2007). Consequently, the centre of attention has been on comparing inputs versus outputs of pollutants in runoff through vegetative buffer strips (Schultz et al, 2000;Maillard and Imfeld, 2014).…”

Section: Pollutant Removal Via Sorptionmentioning

confidence: 99%

Quantifying the contribution of riparian soils to the provision of ecosystem services

Sosa

Glanville

Marshall

et al. 2018

Science of The Total Environment

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Riparian areas, the interface between land and freshwater ecosystems, are considered to play a pivotal role in the supply of regulating, provisioning, cultural and supporting services. Most previous studies, however, have tended to focus on intensive agricultural systems and only on a single ecosystem function. Here, we present the first study which attempts to assess a wide range of ecological processes involved in the provision of the ecosystem service of water quality regulation across a diverse range of riparian typologies. Specifically, we focus on 1) evaluating the spatial variation in riparian soils properties with respect to distance with the river and soil depth in contrasting habitat types; 2) gaining further insights into the underlying mechanisms of pollutant removal (i.e. pesticide sorption/degradation, denitrification, etc.) by riparian soils; and 3) quantify and evaluate how riparian vegetation across different habitat types contribute to the provision of watercourse shading. All the habitats were present within a single large catchment and included: (i) improved grassland, (ii) unimproved (semi-natural) grassland, (iii) broadleaf woodland, (iv) coniferous woodland, and (iv) mountain, heath and bog. Taking all the data together, the riparian soils could be statistically separated by habitat type, providing evidence that they deliver ecosystem services to differing extents. Overall, however, our findings seem to contradict the general assumption that soils in riparian area are different from neighbouring (non-riparian) areas and that they possess extra functionality in terms of ecosystem service provision. Watercourse shading was highly habitat specific and was maximal in forests (ca. 52% shade cover) in comparison to the other habitat types (7-17%). Our data suggest that the functioning of riparian areas in less intensive agricultural areas, such as those studied here, may be broadly predicted from the surrounding land use, however, further research is required to critically test this across a wider range of ecosystems.

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“…[8] In a recent review on riparian buffer studies, the role of GIS in the parameterization and visualization of hydrological modeling on agricultural buffer restoration was highlighted. [9] On the basis of previous studies, this research further applies RS and GIS technologies to develop a methodological framework for the assessment of riparian buffers in agricultural watershed. The developed framework could be used to evaluate spatial dynamics of farming intensities in riparian buffers by catchments and by buffer sizes, thus providing critical information for land restoration planning.…”

Section: Introductionmentioning

confidence: 99%

Applications of remote sensing and GIS to the assessment of riparian zones for environmental restoration in agricultural watersheds

Feng-xia

Liu

2010

Geo-spatial Information Science

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Geographical design of riparian buffers with long-term vegetation cover for environmental restoration in agricultural watersheds needs to assess how much farmland is located in the buffers of a concerned watershed. Traditionally, this assessment was done by field surveying and manual mapping, which was a time-consuming and costly process for a large region. In this paper, remote sensing (RS) and geographical information system (GIS) as cost-effective techniques were used to develop a catchments-based approach for identifying critical sites of agricultural riparian buffer restoration. The method was explained through a case study of watershed with 11 catchments and results showed that only four of the catchments were eligible in terms of higher priority for riparian buffer restoration. This research has methodological contributions to the spatial assessment of farming intensities in catchments-based riparian buffers across a watershed and to the geographical designs of variable buffering scenarios within catchments. The former makes the catchments-based management strategy possible, and the latter provides alternative restoration scenarios to meet different management purposes, both of which have direct implementations to the environmental restoration of riparian buffers in the real world. This study, thus, highlights the great potential of RS and GIS applications to the planning and management of riparian buffer restoration in agricultural watersheds.

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The Characteristics of Riparian Buffer Studies

Cited by 10 publications

References 169 publications

Long‐term Effects of Grazing Management and Buffer Strips on Soil Erosion from Pastures

Long‐term Effects of Grazing Management and Buffer Strips on Soil Erosion from Pastures

Quantifying the contribution of riparian soils to the provision of ecosystem services

Applications of remote sensing and GIS to the assessment of riparian zones for environmental restoration in agricultural watersheds

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